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Site investigation & geotechnics
Aggressiveness of the environment to concrete and rebar per SP 28.13330
From chemical analysis of water and soil the tool assesses the degree of aggressive action on concrete and reinforcement: sulfates, chlorides, pH, and aggressive carbon dioxide.
Data current as of 2026-09-26
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Free, no sign-up · interface in Russian
Standards
SP 28.13330, tables B.1-B.5.
Input
Chemical analysis of water or soil water extract.
Output
Degree of aggressiveness for each indicator and the resulting concrete requirements.
What it does
- Aggressiveness for every indicator and the resulting concrete requirements
- Load analyses from Excel, export the conclusion to XLSX
- Calculations are stored on the server and reopen next time, company letterhead with signatures
Price
Free in full, no sign-up and no payment.
Open the calculator →Questions
What is assessed?
Aggressiveness to concrete and to reinforcement in reinforced concrete, per the SP 28.13330 indicators.
Are concrete grade and exposure conditions needed?
Yes, the degree depends on the water permeability grade and service conditions.
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